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EP 1 616 267 A1

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(43) Date of publication: 18.01.2006 Bulletin 2006/03 (21) Application number: 04729160.4 (22) Date of filing: 23.04.2004

(51) International Patent Classification (IPC):  G06F 15/16(1968.09) (86) International application number: PCT/IB2004/001243 (87) International publication number: WO 2004/097660 (11.11.2004 Gazette 2004/46)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL HR LT LV MK (30) Priority: 24.04.2003 US 465120 P 16.04.2004 US 826687 (71) Applicant: Nokia Corporation 02150 Espoo (FI)	(72) Inventors: LEON, David Irving, TX 75038 (US) VARSA, Viktor Irving, TX 75039 (US) CURCIO, Igor Danilo Diego FIN-33100 Tampere (FI) (74) Representative: Schippan, Ralph  COHAUSZ & FLORACK Patent- und Rechtsanwälte Bleichstrasse 14 40211 Düsseldorf 40211 Düsseldorf (DE)